black ties, top notch catering, a couple about town. >> jill was all smiling, vivacious. >> reporter: aaron fodiman publishes "tampa bay magazine" that features fancy parties and ads for high-end merchandise. the kelleys frequented its pages. >> there was always a bevy of people surrounding them. it would seem like no matter where they went, people enjoyed talking to them, being with them. >> reporter: and they were often seen hobnobbing with top military brass, including general david petraeus, connections jill kelley made while volunteering to organize social events at nearby macdill air force base. >> she is just a deep down good person, her and her family. >> reporter: jill kelley's brother, david khawam, who lives in the philadelphia area where she grew up, is rushing to his sister's defense. this, after federal authorities announced they're investigating thousands of e-mails between kelley and marine commander john allen. khawam says they are only friends.